#include <stdio.h>
#include <stdlib.h>
void main()
{
    int a[9],ii=0,i,a1,a2,a3,a4,b1,b2,b3,b4,flag;
    for(i=1;i<=8;i++)
    {    
        printf("Please enter [%d]  numder:",i);
        scanf("%d",&a[i]);
        ii+=a[i];
    }
    printf("******************************\n");
    if(ii%2)
    {
        printf("Sorry they can't be constructed required required cube!\n");
        exit(0);
    }
    for(flag=0,a1=1;a1<=8;a1++)
        for(a2=1;a2<=8;a2++)
            if(a2!=a1)
                for(a3=1;a3<=8;a3++)
                    if(a3!=a2&&a3!=a1)
                        for(a4=1;a4<=8;a4++)
                            if(a4!=a3&&a4!=a2&&a4!=a1)
                                for(b1=1;b1<=8;b1++)
                                    if(b1!=a4&&b1!=a3&&b1!=a2&&b1!=a1)
                                        for(b2=1;b2<=8;b2++)
                                            if(b2!=b1&&b2!=a4&&b2!=a3&&b2!=a2&&b2!=a1)
                                                for(b3=1;b3<=8;b3++)
                                                    if(b3!=b2&&b3!=b1&&b3!=a4&&b3!=a3&&b3!=a2&&b3!=a1)
                                                        for(b4=1;b4<=8;b4++)
                                                            if(b4!=b2&&b4!=b1&&b4!=b3&&b4!=a4&&b4!=a3&&b4!=a2&&b4!=a1)
                                                                if(a[b1]+a[b2]+a[b3]+a[b4]==ii/2
                                                                &&a[a1]+a[a2]+a[b1]+a[b2]==ii/2
                                                                &&a[a1]+a[a4]+a[b1]+a[b4]==ii/2)
                                                                {
                                                                    flag=1;
                                                                    goto out;
                                                                }
    out:
        if(flag)
        {
            printf("They can be constructed required cube as follow:\n");
            printf("              /%2d--------/%2d\n",a[a4],a[a3]);
            printf("            %2d/-------%2d/ |\n",a[a1],a[a2]);
            printf("             |  |      |  | \n");
            printf("             |  |      |  | \n");
            printf("             |%2d|      |  |\n",a[b4],a[b3]);
            printf("             |  /------|--/\n");
            printf("           %2d/------%2d/\n",a[b1],a[b2]);

        }
        else
            printf("Sorry they can't be constructed required cube!\n");
}